Step Tip HSS Cobalt Drill Set 3.0-12.0mm but not the X-Bit

but not the X-Bit

PH power bits absorb torque peaks and reduce slip between insert bit and screw head

Slotted cutting edge allows water to enter the cut

steel castings

High temperature brazing for longer life

Step Tip HSS Cobalt Drill Set 3.0-12.0mm but not the X-BitBordo Metric Cobalt Tough HSS Co5 Step Tip Extreme Performance Drill. Super fast drilling in ferrous & non ferrous metals and all timbers. Step Tip negates the need for a pilot drill in metals and provides extreme drilling speeds in ferrous and non ferrous metals & all timbers. 1 4 hex shank is ideal for use with impact drivers, quick change adaptors and bit holders. Cobalt HSS Twist drills are extremely hard and provide superior performance and